Where is the choroid located?
the eye
A thin layer of tissue that is part of the middle layer of the wall of the eye, between the sclera (white outer layer of the eye) and the retina (the inner layer of nerve tissue at the back of the eye). The choriod is filled with blood vessels that bring oxygen and nutrients to the eye.
What are the parts of the choroid?
Choroid anatomy
- Bruch’s membrane – Thin layer of tissue located on the innermost part of the choroid.
- Choriocapillaris – Layer made up of capillaries (tiny blood vessels that connect arteries to veins).
- Sattler’s layer – Layer of medium blood vessels.
What tunic is the choroid in?
The middle layer of the eye is the vascular tunic, which is mostly composed of the choroid, ciliary body, and iris.
What is a choroid membrane?
Choroidal neovascular membranes (CNVM) are new, damaging blood vessels that grow beneath the retina. These blood vessels grow in an area called the choroid. They break through the barrier between the choroid and the retina. When they leak or bleed in the retina they cause vision loss.
What makes up the bony part of the thorax?
The bony thorax is formed by the sternum, 12 pairs of ribs, and 12 thoracic vertebrae. The bony thorax protects the heart and lungs. Conical in shape, the bony thorax is narrower above than below, more wide than deep, and longer posteriorly than anteriorly.
How many ribs are there in the thorax?
WB Saunders, Philadelphia, PA, p. 259, with permission.) The thorax is composed of 12 thoracic vertebrae posteriorly, the sternum anteriorly and 12 pairs of ribs, which encircle the thorax. The first seven pairs of ribs are true ribs, with joints that attach the thoracic vertebrae to the sternum.
How many bones are in the thoracic cavity?
The skeleton of the thoracic cavity contains the sternum, ribs and thoracic vertebrae. There are 37 bones in the thorax, one sternum, 12 vertebrae and 24 ribs.
Is the thorax the chest or the thoracic cage?
Anatomically the Thorax is the chest, and its bony underpinings are called the Bony Thorax or Thoracic Cage. It is composed if the Sternum and Ribs.
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